Not sure why so many people are having trouble running a NewPac stick and/or a R606 Terminus on the latest Raspberry Pi B3+ models. Unless the issue is specifically with earlier Raspberry Pi models?
Personally, I have never had the desire to own a Pi, so I never got one. Lately, so many of our customers and other members were experiencing Pi-related issues, so I finally decided to buy one last week, and just now found some time to get it up and running.
Following the latest instructions from vh as seen on the OP was a breeze (except for one copy/paste issue on the "CFLAGS="-O2" ./autogen.sh" part, which was easily fixed by typing that one line in manually.
If you have any experience with Linux or Ubuntu, getting the first R606 up and mining took me only ~15 minutes (and my Linux/Ubuntu experience is fairly minimal). I just plugged my third R606 into the Pi, after getting just under ~2Th/s from the first two were left mining for about an hour.
I am using a 94% Platinum HP 1200 Watt PSU, plugged into a USA standard 120V receptacle/outlet, paired with [an of equal quality to sidehack's breakout board], but the version X7B from Parallel Miner. Power/voltage level is set to 7 (the highest), and I am using
--gekko-serial "GS-100X000X00"
to run each R606 in a separate instance. I will let this third R606 get up to speed, and post some screenshots soon!